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Journal of Oral Implantology

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https://www.readbyqxmd.com/read/29135387/effect-on-bone-architecture-of-marginal-grooves-in-dental-implants-under-occlusal-loaded-conditions-in-beagle-dogs
#1
Hatsumi Kato, Shinichiro Kuroshima, Nao Inaba, Yusuke Uto, Takashi Sawase
The aim was to clarify whether marginal grooves on dental implants affect osseointegration, bone structure and the alignment of collagen fibers determining bone quality under loaded condition. Anodized Ti-6Al-4V alloy dental implants with and without marginal grooves were used (3.7 × 8.0 mm; test and control implants, respectively). Fourth premolars and first molars of six beagle mandibles were extracted. Two control and test implants were placed in randomly selected healed sites at 12 weeks after tooth extraction...
November 14, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29135381/experimental-analysis-of-temperature-differences-during-implant-site-preparation-continuous-drilling-technique-versus-intermittent-drilling-technique
#2
Adolfo Di Fiore, Stefano Sivolella, Elena Stocco, Vittorio Favero, Edoardo Stellini
The implant site preparation through drilling procedures may cause bone thermonecrosis. The aim of this in vitro study was to evaluate, using a thermal probe, the overheating at implant sites during osteotomies through two different drilling methods (continuous drilling technique versus intermittent drilling technique) using irrigation at different temperatures. Five implant sites of 13mm in length were performed on sixteen blocks (fresh bovine ribs), for a total amount of 80 implant sites. The thermal probe PT-100 was positioned at 5 mm from each site...
November 14, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29135351/human-studies-of-vertical-and-horizontal-alveolar-ridge-augmentation-comparing-different-types-of-bone-graft-materials-a-systematic-review
#3
Suraj Chavda, Liran Levin
Alveolar ridge augmentation can be completed with various types of bone augmentation materials (autogenous, allograft, xenograft & alloplast). Currently autogenous bone is labelled as the "gold standard" due to faster healing times and integration between native and foreign bone. No systematic review has currently determined whether there is a difference of implant success between various bone augmentation materials. The purpose of this paper was to systematically review comparative human studies of vertical and horizontal alveolar ridge augmentation comparing different types of bone graft materials (autogenous, allograft, xenograft & alloplast)...
November 14, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29135335/retrospective-study-of-tapered-1-piece-implants-placed-over-a-10-year-period-in-a-single-private-practice
#4
John Minichetti, Joseph C D'Amore, Anna Yj Hong
Today clinicians have a variety of treatment modalities available to address the increasing number of implant procedures performed each year. Single-stage implant surgery is now commonly used in implant dentistry. With patient demands for immediate restoration, the utilization of 1-piece implants is gaining acceptance. This article reports the results of tapered 1-piece implants (Zimmer Biomet) placed in a single practice over a 10-year period. A total of 33 1-piece dental implants were placed in 24 patients and provisionally restored out of occlusion at the time of surgery...
November 14, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29135328/when-the-solution-becomes-a-problem-an-educational-discussion
#5
Gustavo Frainer Barbosa
Presenting patients with the opportunity to restore their smiles using dental implants, which is a reliable and widely accepted technique, is highly recommended. Therefore, a correct clinical judgment and a, consequently, dental implant treatment planning is a central component of a good practice of implant dentistry. Moreover, to the oral clinician be able to make better decisions and reach a more accurate clinical judgment, it is necessary continuing professional development being, this development, an essential professional activity for dentists that intend planning implant treatments...
November 14, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29116888/incidence-of-maxillary-sinus-disease-before-sinus-floor-elevation-surgery-as-identified-by-cone-beam-computed-tomography-a-literature-review
#6
Fabio Costa, Enzo Emanuelli, Massimo Robiony
PURPOSE: to review the literature in order to assess the incidence of maxillary sinus disease before sinus floor elevation surgery (SFE) surgery as identified by cone beam computed tomography (CBCT). Only studies in which patients had performed CBCT for dental implant placement in the last ten years were considered. RESULTS: Eleven studies were identified. A total of 1792 patients were collected. All the studies reviewed reported on thickening of the sinus mucosa as a criterion for sinus disease with different threshold values...
November 8, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29091020/do-clinical-and-radiological-assessments-contribute-to-the-understanding-of-biomaterials-results-from-a-prospective-randomized-sinus-augmentation-split-mouth-trial
#7
Jonas Lorenz, Tadas Korzinskas, Poju Chia, Sarah Al Maawi, Katrin Eichler, Robert Sader, Shahram Ghanaati
The present prospective randomized split-mouth trial reports on the 3-year clinical and radiological follow-up investigation of implants placed 7 months after sinus augmentation with two different bone substitute materials. Aim of the study was to complete the histologic observation of the cellular reactions by analysis of the implants and the volumetric changes of the augmented bone substitute materials. A sinus augmentation split-mouth trial was performed in 14 patients with the synthetic bone substitute material Nanobone® (NB) and the xenogeneic Bio-Oss® (BO)...
November 1, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29091015/patient-reported-and-clinical-outcomes-of-implant-supported-fixed-complete-dental-prostheses-a-comparison-of-metal-acrylic-milled-zirconia-and-retrievable-crown-prostheses
#8
Virginia Lea Hogsett Box, Cortino Sukotjo, Kent L Knoernschild, Stephen D Campbell, Fatemeh S Afshari
The purpose of this retrospective study was to assess the incidence of biologic and technical complications for implant-supported fixed complete dental prostheses (IFCDPs) and their relationship to oral health-related quality of life (OHQoL) and patient-reported outcomes. Metal-acrylic (MA), retrievable crown (RC), monolithic zirconia (MZ), and porcelain veneered zirconia (PVZ) prostheses were included. Patients who received an IFCDP at least one year prior to recall were identified. Exclusion criteria were: (1) an opposing complete denture and (2) time in service >70 months...
November 1, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29090984/a-qualitative-study-on-patient-s-perceptions-of-two-types-of-attachments-for-implant-overdentures
#9
Rubens Ferreira de Albuquerque Junior, Marina Pisani, Christophe Bedos, Cláudia Helena Lovato da Silva, Olivier Fromentin
The aim of this qualitative study was to gain a deeper understanding of patient's perceptions of wearing implant retained overdentures with ball-shaped or cylindrical attachment systems. Twenty-two wearers of implant-supported overdentures participated in this qualitative study based on a randomized crossover clinical trial that aimed to compare a cylindrical attachment (Locator, Zest Anchors Inc, Escondido, CA, USA) and a ball attachment (Retentive Anchor, Straumann AG, Basel, Switzerland). In the phase I of the study, group A experienced ball attachments (n=11) and group B Locator attachment (n=11) for one year...
November 1, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29090979/optimization-of-the-conical-angle-design-in-conical-implant-abutment-connections-a-pilot-study-based-on-the-finite-element-method
#10
Kuang-Ta Yao, Chen-Sheng Chen, Cheng-Kung Cheng, Hsu-Wei Fang, Chang-Hung Huang, Hung-Chan Kao, Ming-Lun Hsu
Conical implant-abutment connections are popular for their excellent connection stability, which is attributable to frictional resistance in the connection. However, conical angles, the inherent design parameter of conical connections, exert opposing effects on 2 influencing factors of the connection stability: frictional resistance and abutment rigidity. This pilot study employed an optimization approach through the finite element method to obtain an optimal conical angle for the highest connection stability in an Ankylos-based conical connection system...
November 1, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29090975/screw-access-mark-for-cemented-implant-crowns-a-universal-technique-to-simplify-retrievability
#11
Todd Schoenbaum, Yi-Yuan Chang, Richard G Stevenson
PURPOSE: The use of cemented implant prostheses for partially edentulous patients continues to increase in clinical practice. One of the primary complications of the cemented implant crown is difficulty in retrieval, should the need arise. Drilling through most prosthetic materials is of little difficulty for most clinicians, but the complication lies in determining where exactly the access hole needs to be drilled. METHODS: During fabrication the location of the screw access channel is marked with a strong contrasting color stain on the surface of the prosthesis...
November 1, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29090972/letter-to-the-editor
#12
Jonathan Du Toit, Howard Gluckman, Maurice Salama, Mitsias Miltiadis, Haakon Kuit, Snjezana Pohl, Richard J Martin, Armando Ponzi, Charles W Schwimer, Jorge Campos Aliaga
We have read with great interest the article published in the August 2017 edition of the journal, titled Current-Evidence on the Socket-Shield Technique: A Systematic Review. The article appears to present the technique mostly in a negative light, supported by a review of the literature that in its selection of content and methodology is fraught with error.
November 1, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29090970/ten-year-cbct-observation-of-the-buccal-bony-wall-of-an-immediately-placed-implant-at-the-anterior-maxilla-a-case-report
#13
Junho Jung, Kwantae Noh, Bilal Al-Nawas, Yong-Dae Kwon
Since the introduction of immediate implant placement, the buccal bony wall has been a major consideration for success, due to its correlation with soft tissue contour and color. This report presents the stability of the buccal wall thickness of an immediately placed implant at the anterior maxilla along 10-years. Although the width of the buccal wall had a decrease at post-op 2 years' follow-up, it remained stable afterwards, according to cone beam computed tomography (CBCT) scans. Hence, this report suggests that ensuring adequate bony wall thickness with bone augmentation and fixture position may promise the longevity of the buccal bony wall and surrounding soft tissue in immediate implant placement...
November 1, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29064779/anatomic-customization-of-root-analog-dental-implants-with-cone-beam-ct-and-cad-cam-fabrication-a-cadaver-based-pilot-evaluation
#14
Zachary Presson Evans, Walter G Renne, Thierry R Bacro, Anthony S Mennito, Mark E Ludlow, Michael K Lecholop
Existing root-analog dental implant systems have no standardized protocols relative to retentive design, surface manipulation, or prosthetic attachment design relative to the site's unique anatomy. Existing systems historically made these design choices arbitrarily. For this report, strategies were developed which deliberately reference the adjacent anatomy, implant and restorable path of draw, and bone density for the purposes of implant and retentive design. For proof-of-concept, dentate arches from human cadavers were scanned with cone-beam computed tomography and digitally modeled...
October 24, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29064770/managing-titanium-mesh-exposure-with-the-partial-removal-of-the-exposed-site-a-case-series-study
#15
Aladdin Al-Ardah, Abdulaziz AlHelal, Periklis Proussaefs, Bader AlBader, Abdulakareem A Al Humaidan, Jaime Lozada
This case series report aimed at evaluating the efficacy of addressing exposure of the Titanium mesh by sectioning the exposed portion of the mesh and allowing the remaining portion in place while bone maturation is complete. The use of Titanium mesh for localized alveolar ridge augmentation was evaluated with clinical and radiographic analysis. Materials and methods in the current case series report includes four consecutively treated patients where a titanium mesh was utilized as a barrier for localized alveolar ridge augmentation and exposure of the mesh occurred after the alveolar ridge augmentation procedure...
October 24, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29064768/can-peek-be-an-implant-material-evaluation-of-surface-topography-and-wettability-of-filled-versus-unfilled-peek-with-different-surface-roughness
#16
Tarek Ayman El Awadly, Iman Radi, Amr El Khadem, Reham Osman
PEEK (polyetheretherketone) composites are biocompatible materials and may overcome esthetic and allergic problems of titanium dental implants. However, their potential for osseointegration with the subsequent survival rate is still questionable. Aim of the study was to evaluate the sur-face roughness and wettability of different surface treated filled and unfilled PEEK specimens, which may be indicative of the osseointegration behavior and the potential use of PEEK as an implant material. Unfilled, ceramic filled (CFP) and carbon fiber reinforced (CFRP) PEEK discs were prepared and left untreated or were surface treated with 50µ, 110µ, 250µ aluminum oxide particles...
October 24, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29064767/healing-at-the-interface-between-autologous-block-bone-grafts-and-recipient-sites-using-n-butyl-2-cyanoacrylate-as-fixation-histomorphometric-study-in-rabbits
#17
Enzo De Santis, Erick Ricardo Silva, Evandro Neto Carneiro Martins, Riccardo Favero, Daniele Botticelli, Samuel Porfirio Xavier
The aim of the present study was to describe the sequential healing in the interface between autologous bone grafts and recipient parent bone, fixed using an n-butyl-2-cyanoacrylate adhesive, with or without an additional titanium fixation screw. Bone grafts were collected from the calvaria and fixed to the lateral aspect of the mandible in 24 rabbits. The cortical layers of the recipient sites were perforated and the grafts were randomly fixed using an n-butyl-2-cyanocrylate adhesive, either alone or in conjunction with a titanium fixation screw...
October 24, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29064765/examination-of-local-periosteal-microcirculation-after-application-of-absorbable-and-non-absorbable-membranes
#18
Anna Joop, Björn Rahlf, Nils-Claudius Gellrich, Andreas Kampmann, Constantin von See, Marcus Stoetzer
The use of different membranes is common in dentoalveolar surgery. Absorbable and non-absorbable membranes are used, often beneath the periosteum, in order to fulfil different functions (as barriers, patches, spacers, etc.). It is still unclear to what extent such membranes affect the biology of the periosteum and what role is played by the use of piezoelectric devices during preparation of the periosteum. We placed two different membranes (absorbable and non-absorbable) underneath the periosteum of rat calvariae...
October 24, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29064764/evaluation-of-oral-stereognosis-in-relation-to-tactile-ability-and-patient-satisfaction
#19
Ikbal Leblebicioglu Kurtulus, Kerem Kilic, Ravza Eraslan, Damla Unlu, Ahmet Caliskan, Bulent Kesim, Stephan Eitner
We investigated the oral stereognostic ability of dentate individuals, conventional complete denture patients, and maxillary implant-supported denture patients with bar attachments. Stereognosis tests were carried out and the relationship between oral stereognostic ability and patient satisfaction was assessed with a satisfaction survey; Turkish version of oral health impact profile-14 (OHIP-TR-14). To compare differences in oral sensory function among individuals with natural dentition, complete denture wearers, and maxillary implant-supported denture wearers, tactile awareness (thickness perception threshold) and pressure awareness (threshold of lateral loading) were assessed...
October 24, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29064762/evaluation-of-the-anastomosis-canal-in-lateral-maxillary-sinus-wall-with-cone-beam-computerized-tomography-a-clinical-study
#20
Wentao Sun, Anhao Liu, Yin Gong, Rong Shu, Yufeng Xie
This clinical study used cone beam computerized tomography (CBCT) to locate the position of the anastomosis canal in lateral wall of maxillary sinuses, and to evaluate the thickness of lateral sinus wall and the distance from the lower border of the canal to the sinus floor, which could provide surgeon with information about this anastomosis. Two hundred and forty-two (242) volumes of CBCT scans were included in this study. The distances from the lower border of the anastomosis canal to the sinus floor and from the maxillary alveolar crest to the sinus floor were evaluated in transversal plane, and the thickness of the lateral sinus wall was measured at the distance of 3, 6, 9 mm from the sinus floor and at the level of the lower border of the canal at the same plane...
October 24, 2017: Journal of Oral Implantology
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